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212 lines
7.5 KiB
212 lines
7.5 KiB
From a3f72e88927f270bc17a7cb47f7abec988b208c9 Mon Sep 17 00:00:00 2001
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Message-ID: <a3f72e88927f270bc17a7cb47f7abec988b208c9.1784297532.git.jdenemar@redhat.com>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Mon, 8 Jun 2026 15:11:45 +0200
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Subject: [PATCH] qemuDeviceVideoGetModel: Directly return picked model
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There's no point in falling through to the check reporting invalid
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type since if the code picks a model that one will be valid.
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Reorganize the code so that we can return final decision right away.
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This means that the two flags 'virtio' and 'virtioBusSuffix' need to be
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set prior to the return.
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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(cherry picked from commit d3bd2142095e8203d9cc49448e7761553b0b2600)
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https://redhat.atlassian.net/browse/RHEL-186019
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https://redhat.atlassian.net/browse/RHEL-177646 (rhel-9.9)
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---
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src/qemu/qemu_command.c | 156 +++++++++++++++++++---------------------
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1 file changed, 75 insertions(+), 81 deletions(-)
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diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
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index db72407ecc..619ad7a835 100644
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--- a/src/qemu/qemu_command.c
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+++ b/src/qemu/qemu_command.c
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@@ -719,7 +719,6 @@ qemuDeviceVideoGetModel(virQEMUCaps *qemuCaps,
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bool *virtio,
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bool *virtioBusSuffix)
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{
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- const char *model = NULL;
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bool primaryVga = false;
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virTristateBool accel3d = VIR_TRISTATE_BOOL_ABSENT;
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@@ -732,98 +731,93 @@ qemuDeviceVideoGetModel(virQEMUCaps *qemuCaps,
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if (video->primary && qemuDomainSupportsVideoVga(video, qemuCaps))
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primaryVga = true;
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+ if (video->backend == VIR_DOMAIN_VIDEO_BACKEND_TYPE_VHOSTUSER) {
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+ if (primaryVga)
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+ return "vhost-user-vga";
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+
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+ *virtio = true;
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+ *virtioBusSuffix = true;
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+ return "vhost-user-gpu";
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+ }
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+
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/* We try to chose the best model for primary video device by preferring
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* model with VGA compatibility mode. For some video devices on some
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* architectures there might not be such model so fallback to one
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* without VGA compatibility mode. */
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- if (video->backend == VIR_DOMAIN_VIDEO_BACKEND_TYPE_VHOSTUSER) {
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- if (primaryVga) {
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- model = "vhost-user-vga";
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- } else {
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- model = "vhost-user-gpu";
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+ if (primaryVga) {
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+ switch ((virDomainVideoType) video->type) {
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+ case VIR_DOMAIN_VIDEO_TYPE_VGA:
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+ return "VGA";
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+
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+ case VIR_DOMAIN_VIDEO_TYPE_CIRRUS:
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+ return "cirrus-vga";
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+
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+ case VIR_DOMAIN_VIDEO_TYPE_VMVGA:
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+ return "vmware-svga";
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+
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+ case VIR_DOMAIN_VIDEO_TYPE_QXL:
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+ return "qxl-vga";
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+
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+ case VIR_DOMAIN_VIDEO_TYPE_VIRTIO:
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*virtio = true;
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- *virtioBusSuffix = true;
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+ *virtioBusSuffix = false;
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+
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+ if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_VGA_GL) &&
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+ accel3d == VIR_TRISTATE_BOOL_YES)
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+ return "virtio-vga-gl";
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+
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+ return "virtio-vga";
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+
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+ case VIR_DOMAIN_VIDEO_TYPE_BOCHS:
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+ return "bochs-display";
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+
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+ case VIR_DOMAIN_VIDEO_TYPE_RAMFB:
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+ return "ramfb";
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+
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+ case VIR_DOMAIN_VIDEO_TYPE_DEFAULT:
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+ case VIR_DOMAIN_VIDEO_TYPE_XEN:
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+ case VIR_DOMAIN_VIDEO_TYPE_VBOX:
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+ case VIR_DOMAIN_VIDEO_TYPE_PARALLELS:
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+ case VIR_DOMAIN_VIDEO_TYPE_GOP:
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+ case VIR_DOMAIN_VIDEO_TYPE_NONE:
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+ case VIR_DOMAIN_VIDEO_TYPE_LAST:
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+ break;
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}
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} else {
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- if (primaryVga) {
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- switch ((virDomainVideoType) video->type) {
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- case VIR_DOMAIN_VIDEO_TYPE_VGA:
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- model = "VGA";
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- break;
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- case VIR_DOMAIN_VIDEO_TYPE_CIRRUS:
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- model = "cirrus-vga";
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- break;
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- case VIR_DOMAIN_VIDEO_TYPE_VMVGA:
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- model = "vmware-svga";
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- break;
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- case VIR_DOMAIN_VIDEO_TYPE_QXL:
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- model = "qxl-vga";
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- break;
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- case VIR_DOMAIN_VIDEO_TYPE_VIRTIO:
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- if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_VGA_GL) &&
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- accel3d == VIR_TRISTATE_BOOL_YES)
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- model = "virtio-vga-gl";
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- else
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- model = "virtio-vga";
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+ switch ((virDomainVideoType) video->type) {
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+ case VIR_DOMAIN_VIDEO_TYPE_QXL:
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+ return "qxl";
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- *virtio = true;
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- *virtioBusSuffix = false;
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- break;
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- case VIR_DOMAIN_VIDEO_TYPE_BOCHS:
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- model = "bochs-display";
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- break;
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- case VIR_DOMAIN_VIDEO_TYPE_RAMFB:
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- model = "ramfb";
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- break;
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- case VIR_DOMAIN_VIDEO_TYPE_DEFAULT:
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- case VIR_DOMAIN_VIDEO_TYPE_XEN:
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- case VIR_DOMAIN_VIDEO_TYPE_VBOX:
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- case VIR_DOMAIN_VIDEO_TYPE_PARALLELS:
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- case VIR_DOMAIN_VIDEO_TYPE_GOP:
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- case VIR_DOMAIN_VIDEO_TYPE_NONE:
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- case VIR_DOMAIN_VIDEO_TYPE_LAST:
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- break;
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- }
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- } else {
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- switch ((virDomainVideoType) video->type) {
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- case VIR_DOMAIN_VIDEO_TYPE_QXL:
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- model = "qxl";
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- break;
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- case VIR_DOMAIN_VIDEO_TYPE_VIRTIO:
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- if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_GPU_GL_PCI) &&
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- accel3d == VIR_TRISTATE_BOOL_YES)
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- model = "virtio-gpu-gl";
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- else
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- model = "virtio-gpu";
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+ case VIR_DOMAIN_VIDEO_TYPE_VIRTIO:
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+ *virtio = true;
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+ *virtioBusSuffix = true;
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- *virtio = true;
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- *virtioBusSuffix = true;
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- break;
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- case VIR_DOMAIN_VIDEO_TYPE_DEFAULT:
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- case VIR_DOMAIN_VIDEO_TYPE_VGA:
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- case VIR_DOMAIN_VIDEO_TYPE_CIRRUS:
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- case VIR_DOMAIN_VIDEO_TYPE_VMVGA:
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- case VIR_DOMAIN_VIDEO_TYPE_XEN:
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- case VIR_DOMAIN_VIDEO_TYPE_VBOX:
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- case VIR_DOMAIN_VIDEO_TYPE_PARALLELS:
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- case VIR_DOMAIN_VIDEO_TYPE_GOP:
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- case VIR_DOMAIN_VIDEO_TYPE_NONE:
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- case VIR_DOMAIN_VIDEO_TYPE_BOCHS:
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- case VIR_DOMAIN_VIDEO_TYPE_RAMFB:
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- case VIR_DOMAIN_VIDEO_TYPE_LAST:
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- break;
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- }
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+ if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_GPU_GL_PCI) &&
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+ accel3d == VIR_TRISTATE_BOOL_YES)
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+ return "virtio-gpu-gl";
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+
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+ return "virtio-gpu";
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+
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+ case VIR_DOMAIN_VIDEO_TYPE_DEFAULT:
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+ case VIR_DOMAIN_VIDEO_TYPE_VGA:
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+ case VIR_DOMAIN_VIDEO_TYPE_CIRRUS:
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+ case VIR_DOMAIN_VIDEO_TYPE_VMVGA:
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+ case VIR_DOMAIN_VIDEO_TYPE_XEN:
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+ case VIR_DOMAIN_VIDEO_TYPE_VBOX:
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+ case VIR_DOMAIN_VIDEO_TYPE_PARALLELS:
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+ case VIR_DOMAIN_VIDEO_TYPE_GOP:
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+ case VIR_DOMAIN_VIDEO_TYPE_NONE:
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+ case VIR_DOMAIN_VIDEO_TYPE_BOCHS:
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+ case VIR_DOMAIN_VIDEO_TYPE_RAMFB:
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+ case VIR_DOMAIN_VIDEO_TYPE_LAST:
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+ break;
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}
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}
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- if (!model || STREQ(model, "")) {
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- virReportError(VIR_ERR_INTERNAL_ERROR,
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- _("invalid model for video type '%1$s'"),
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- virDomainVideoTypeToString(video->type));
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- return NULL;
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- }
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-
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- return model;
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+ virReportError(VIR_ERR_INTERNAL_ERROR,
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+ _("invalid model for video type '%1$s'"),
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+ virDomainVideoTypeToString(video->type));
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+ return NULL;
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}
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--
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2.55.0
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